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Subtract 3/42 from 8/35

8/35 - 3/42 is 11/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 42 is 210
  2. For the 1st fraction, since 35 × 6 = 210,
    8/35 = 8 × 6/35 × 6 = 48/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    3/42 = 3 × 5/42 × 5 = 15/210
  4. Subtract the two fractions:
    48/210 - 15/210 = 48 - 15/210 = 33/210
  5. After reducing the fraction, the answer is 11/70

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